body {
    padding: 15px;
    background-color: #f2f3f5;
}

.img_box {
    display: flex;
    width: 650px;
}

.img_box .left {
    width: 400px;
    height: 280px;
    overflow: hidden;
}

.img_box .right {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.img_box .right .preview {
    width: 200px;
    height: 140px;
    margin-bottom: 10px;
    overflow: hidden;
}